*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{

    height: 100%;
	font-size:14px;
	font-family:"Microsoft Yahei";

}
.clear:after {
    content: "";
    height: 0;
    display: block;
    visibility: hidden;
    clear: both;
}

